TABLE 1.
Baseline population characteristics (N = 200)
| Characteristic | Median (IQR; Range) or N (%) |
|---|---|
| Age in Years | |
| Median (IQR; Range) | 58 (51–69; 21–97) |
| Race N (%) | |
| White | 96 (48.5%) |
| African American | 101 (50.5%) |
| Other | 2 (1%) |
| Missing | 1 (0.5%) |
| Sex N (%) | |
| Male | 108 (54%) |
| Female | 92 (46%) |
| Receiving supplemental oxygen N (%) | |
| Yes | 68 (34%) |
| No | 129 (64.5%) |
| Missing | 3 (1.5%) |
| Receiving CPAP N (%) | |
| Yes | 4 (2%) |
| No | 196 (98%) |
| Ventilator N (%) | |
| Yes | 0 (0%) |
| No | 200 (100%) |
| Oxygen flow rate (LPM) | |
| Median (IQR) | 0 (0–2.25) |
| Oxygen saturation below 94% N (%) | |
| Yes | 60 (30%) |
| No | 140 (70%) |
| Inclusion criteria | |
| Shortness of breath | 131(66%) |
| Chest pain | 78 (39%) |
| Exac COPD | 27(14%) |
| SpO2 ≤ 94% | 17(9%) |
CPAP, continuous positive airway pressure; Exac COPD, exacerbated chronic obstructive pulmonary disease; IQR, interquartile range.